Information about some specific features related to the SIM card(s) of the device.

Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSM

GSM (Global System for Mobile Communications) was developed to replace the analog cellular network (1G), therefore it is referred to as a 2G mobile network. It has been improved with the addition of General Packet Radio Services (GPRS) and later via the Enhanced Data rates for GSM Evolution (EDGE) technology.

GSM 850 MHzGSM 900 MHzGSM 1800 MHzGSM 1900 MHz

UMTS

UMTS stands for Universal Mobile Telecommunications System. Based on the GSM standard, it is deemed as a 3G mobile network standard. It has been developed by the 3GPP and its major advantage is the provision of greater bandwidth and spectral efficiency, due to the W-CDMA technology.

UMTS 850 MHzUMTS 900 MHzUMTS 1900 MHzUMTS 2100 MHz

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologies

There are several network technologies that enhance the performance of mobile networks mainly by increased data bandwidth. Information about the communication technologies supported by the device and their respective uplink and downlink bandwidth.

Name and version of the user interface (UI) used by the operating system (OS).

TouchWiz

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoC

The SoC integrates different hardware components such as the CPU, GPU, memory, peripherals, interfaces, etc., as well as software for their functioning.

Qualcomm Snapdragon 400 MSM8226

Process technology

Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that make up the CPU.

28 nm (nanometers)

CPU

CPU is the Central Processing Unit or the processor of a mobile device. Its main function is to interpret and execute instructions contained in software applications.

ARM Cortex-A7

CPU bits

The CPU bits are determined by the bit-size of the processor registers, address buses and data buses. 64-bit CPUs provide better performance than 32-bit ones, which on their part perform better than 16-bit processors.

32 bit

Instruction set

The instruction set architecture (ISA) is a set of commands used by the software to manage the CPU's work. Information about the set of instructions the processor can execute.

ARMv7

Level 1 cache memory (L1)

The cache memory is used by the processor in order to shorten the time needed to access data and instructions that a frequently used. The L1 (level 1) cache memory has a small volume, but operates faster than the RAM and the rest cache memory levels. If the processor does not find the data needed in L1, it continues to look for it in the L2 cache memory. In some processors the search in L1 and L2 is simultaneous.

16 KB + 16 KB (kilobytes)

Level 2 cache memory (L2)

The L2 (level 2) cache memory is slower than L1, but has a larger capacity, instead, which allows it to cache more data. Just like L1, it is much faster than the system memory (RAM). If the CPU does not find the data needed in L2, it proceeds to look for them in the L3 cache memory (if there is such) or in the RAM.

1024 KB (kilobytes)1 MB (megabytes)

CPU cores

A CPU core is the processor unit, which executes software instructions. Presently, besides single-core processors, there are dual-core, quad-core, hexa-core and so on multi-core processors. They increase the performance of the device allowing the execution of multiple instructions in parallel.

4

CPU frequency

The frequency of the processor describes its clock rate in cycles per second. It is measured in Megahertz (MHz) or Gigahertz (GHz).

1400 MHz (megahertz)

GPU

GPU is a graphical processing unit, which handles computation for 2D/3D graphics applications. In mobile devices GPU is usually utilized by games, UI, video playback, etc. GPU can also perform computation in applications traditionally handled by the CPU.

Qualcomm Adreno 305

GPU cores

Similar to the CPU, the GPU consists of processing units called cores. They handle the computation of graphics in various applications.

1

GPU frequency

The frequency is the clock rate of the graphic processor (GPU), which is measured in Megahertz (MHz) or Gigahertz (GHz).

450 MHz (megahertz)

RAM capacity

RAM (Random-Access Memory) is used by the operating system and all installed applications. Data in the RAM is lost after the device is turned off or restarted.

1.5 GB (gigabytes)

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage

Information about the capacity of the built-in storage of the device. Sometimes one and the same model may is offered in variants with different internal storage capacity.

16 GB (gigabytes)

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

Types

The various types of memory cards are characterized by different sizes and capacity. Information about the supported types of memory cards.

microSDmicroSDHCmicroSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technology

One of the main characteristics of the display is its type/technology, on which depends its performance.

Super AMOLED

Diagonal size

In mobile devices display size is represented by the length of its diagonal measured in inches.

4.5 in (inches)114.3 mm (millimeters)11.43 cm (centimeters)

Width

Approximate width of the display

2.21 in (inches)56.04 mm (millimeters)5.6 cm (centimeters)

Height

Approximate height of the display

3.92 in (inches)99.62 mm (millimeters)9.96 cm (centimeters)

Aspect ratio

The ratio between the long and the short side of the display

1.778:116:9

Resolution

The display resolution shows the number of pixels on the horizontal and vertical side of the screen. The higher the resolution is, the greater the detail of the displayed content.

720 x 1280 pixels

Pixel density

Information about the number of pixels per centimeter (ppcm) or per inch (ppi) of the display. The higher the pixel density, the more detailed and clearer is the information displayed on the screen.

326 ppi (pixels per inch)128 ppcm (pixels per centimeter)

Color depth

The color depth of the display is also known as bit depth. It shows the number of bits used for the color components of one pixel. Information about the maximum number of colors the screen can display.

24 bit16777216 colors

Display area

The estimated percentage of the screen area from the device's front area.

65.92 % (percent)

Other features

Information about other functions and features of the display.

CapacitiveMulti-touchScratch resistant

Corning Gorilla Glass 3

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

Sensors

Sensors vary in type and purpose. They increase the overall functionality of the device, in which they are integrated.

ProximityLightAccelerometerCompassGyroscopeFingerprintHeart rate

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor type

Digital cameras use image sensors for taking photos. The sensor characteristics are some of the main factors determining the quality of the camera integrated in the mobile device.

CMOS BSI (backside illumination)

Flash type

Cameras of mobile devices use mainly a LED or a Xenon flash. The LED flash has a softer burst of light and in contrast to the much brighter Xenon flash, is used for recording videos as well.

LED

Image resolution

One of the main characteristics of the cameras of mobile devices is their resolution, which shows the number of pixels on the horizontal and vertical dimensions of the image.

3264 x 2448 pixels7.99 MP (megapixels)

Video resolution

Information about the maximum resolution available for shooting a video with the device.

1920 x 1080 pixels2.07 MP (megapixels)

Video FPS

Information about the maximum number of frames per second (fps), supported by the device while recording a video at maximum resolution. Some of the main standard frame rates for recording and playing video are 24p, 25p, 30p, 60p.

30 fps (frames per second)

Features

Information about additional software and hardware features of the privamery camera, which improve its overall performance.

AutofocusGeotaggingPanoramaHDRTouch focusFace detection

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Image resolution

Information about the maximum image resolution of the secondary camera. Often, the resolution of the secondary camera is lower than the one of the primary camera.

1920 x 1080 pixels2.07 MP (megapixels)

Video resolution

Information about the maximum resolution available for shooting a video by the secondary camera.

1920 x 1080 pixels2.07 MP (megapixels)

Video FPS

Information about the maximum number of frames per second (fps), supported by the secondary camera while recording a video at maximum resolution.

30 fps (frames per second)

Audio

Information about the type of speakers and the audio technologies supported by the device.

Speaker

The loudspeaker is a device, which reproduces various sounds such as ring tones, alarms, music, voice calls, etc. Information about the type of speakers the device uses.

LoudspeakerEarpiece

Radio

The radio in a mobile device is a built-in FM radio receiver.

Radio

Information whether the device has an FM radio receiver or not.

No

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/Positioning

The tracking/positioning service is provided by various satellite navigation systems, which track the autonomous geo-spatial positioning of the device that supports them. The most common satellite navigation systems are the GPS and the GLONASS. There are also non-satellite technologies for locating mobile devices such as the Enhanced Observed Time Difference, Enhanced 911, GSM Cell ID.

GPSA-GPSGLONASS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi

Wi-Fi communication between devices is realized via the IEEE 802.11 standards. Some devices have the possibility to serve as Wi-Fi Hotspots by providing internet access for other nearby devices. Wi-Fi Direct (Wi-Fi P2P) is another useful standard that allows devices to communicate with each other without the need for wireless access point (WAP).

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity

The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours.

2100 mAh (milliampere-hours)

Type

The battery type is determined by its structure and more specifically, by the chemicals used in it. There are different battery types and some of the most commonly used in mobile devices are the lithium-ion (Li-Ion) and the lithium-ion polymer battery (Li-Polymer).

Li-Ion

2G talk time

2G talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 2G cellular network.

20 h (hours)1200 min (minutes)0.8 days

2G stand-by time

2G stand-by time is the longest time a battery charge will last, if the device is not used but is constantly connected to the 2G cellular network.

440 h (hours)26400 min (minutes)18.3 days

3G talk time

3G talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 3G cellular network.

20 h (hours)1200 min (minutes)0.8 days

3G stand-by time

3G stand-by time is the longest time a battery charge will last, if the device is not used but is constantly connected to the 3G mobile network.

440 h (hours)26400 min (minutes)18.3 days

Features

Information about some additional features of the device's battery.

Removable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)

The SAR head rating shows the highest level of exposure to electromagnetic radiation measured when the device is held next to the ear in a talk position. In Europe, the SAR limit for hand-held mobile devices is set to 2 W/kg per 10 g of tissue. This standard is specified by the CENELEC, complies with the IEC standards and follows the ICNIRP Guidelines 1998.

0.693 W/kg (watts per kilogram)

Body SAR (EU)

This SAR rating shows the highest level of exposure to electromagnetic radiation measured when the device is placed at the hip level. The top SAR value for mobile devices used in Europe is limited to 2 W/kg per 10 g of tissue. This standard follows the ICNIRP Guidelines 1998 as well as the IEC standards and is determined by the CENELEC.

0.544 W/kg (watts per kilogram)

Head SAR (USA)

This SAR rating shows the maximum level of exposure to electromagnetic radiation taken when the device is placed next to the ear. The applicable limit for the US is 1.6 W/kg per 1 g of tissue. In the US the FCC tests and sets the SAR limits for all mobile devices, which are controlled by the CTIA.

1.07 W/kg (watts per kilogram)

Body SAR (USA)

The SAR body rating shows the maximum level of exposure to electromagnetic radiation when the device is positioned against the body at the hip. The highest SAR value of mobile devices allowed in the US is set to 1.6 W/kg per 1 g of tissue. It is specified by the FCC and the CTIA follows whether the mobile devices comply with this standard.

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